Annual Expense Ratio 1

Front-End Sales Charge (Load)

Minimum Initial Investment 2

Dividends

Distributed quarterly

Capital Gains

Distributed annually

Institutional shares are available to investors that meet the minimum investment requirements, have been approved by the distributor, and fall within the following categories: endowments, foundations, religious organizations and other nonprofit entities, individuals, retirement plan sponsors, family office clients, private trusts, certain corporate or similar institutions, or omnibus accounts maintained by financial intermediaries. Please see the Fund's prospectus for further details, or call 1-800-498-1351.

Overview

While pursuing their financial objectives, impact investors seek to use their investments to create a more fair and sustainable world. The Domini Impact Equity Fund is a diversified stock portfolio seeking long-term total return consistent with the promotion of universal human dignity and ecological sustainability.

Investment Strategy

U.S. Core is comprised of mid- to large-capitalization stocks with strong social and environmental profiles relative to their peers, as determined by Domini's proprietary in-house research of each company's impact.

Thematic Solutions seeks to invest in solution-oriented sustainability leaders across the full market-capitalization spectrum.

Domini provides investment instructions to the Fund’s subadviser, SSGA Funds Management, Inc. (SSGA). SSGA purchases and sells securities to implement Domini's investment selections and manages the amount of the Fund's assets to be held in short-term investments.

Impact Investment Standards

Domini evaluates the Fund’s current and potential investments against its social and environmental standards based on the businesses in which they engage, as well as on the quality of their relations with key stakeholders, including communities, customers, ecosystems, employees, investors, and suppliers.

Domini may determine that a security is eligible for investment even if a corporation’s profile reflects a mixture of positive and negative social and environmental characteristics.

Engagement

The Fund also advances its social and environmental objectives through proxy voting, dialogue with corporations, and the filing of shareholder resolutions

Investor Profile

Who should invest?

Investors seeking long-term growth of capital

Investors committed to the Fund's social and environmental investment standards

Who should not invest?

Investors unwilling or unable to accept moderate to significant fluctuations in share price

Risks

An investment in the Domini Impact Equity Fund is not a bank deposit and is not insured. You may lose money. An investment in the Fund is subject to market, market sector, impact investing, and foreign investing risks. Investing internationally involves special risks, such as currency fluctuations, social and economic instability, differing security regulations and accounting standards, limited public information, possible changes in taxation, and periods of illiquidity.

The reduction or withdrawal of historical financial market support activities by the U.S. Government and Federal Reserve, or other governments/central banks could negatively impact financial markets generally, and increase market risk which could adversely affect the Fund’s returns.

1. The Adviser has contractually agreed to waive certain fees and/or reimburse certain ordinary operating expenses in order to limit Institutional share expenses to 0.74% through November 30, 2019, absent an earlier modification by the Fund's Board.

2. Investors may meet the minimum initial investment amount by aggregating up to three separate accounts under the same registration within the Institutional share class of a Fund.

Although the Domini Impact Equity Fund Institutional shares are no-load, certain fees and expenses apply to a continued investment and are described in the prospectus.

The Fund's returns, quoted below, represent past performance after all expenses, which is no guarantee of future results. Investment return, principal value, and yield will fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original cost. Current performance may be lower or higher than the performance data quoted. Each Fund charges a 2.00% redemption fee on sales or exchanges of shares made less than 30 days after the settlement of purchase or acquisition through exchange, with certain exceptions. See the applicable prospectus for further information.

The performance quoted above does not reflect the deduction of taxes that a shareholder would pay on Fund distributions or the redemption of Fund shares. Total return is based on the Fund’s net asset values and assumes all dividends and capital gains were reinvested.

NOTE: The Fund's current investment strategy commenced on December 1, 2018 with SSGA Funds Management, Inc as its subadviser. Performance information for periods prior to December 1, 2018 reflects the investment strategies employed during those periods.

Past performance is no guarantee of future results. The Fund’s returns quoted above represent past performance after all expenses. The returns reflect any applicable expense waivers in effect during the periods shown. Without such waivers, Fund performance would be lower. Investment return, principal value, and yield will fluctuate. Your shares, when redeemed, may be worth more or less than their original cost. Select the Performance Tab above for more complete performance information, including returns current to the most recent month-end, which may be lower or higher than the performance data quoted. A 2.00% redemption fee applies on sales or exchanges of shares made less than 30 days after the settlement of purchase or acquisition through exchange, with certain exceptions. See the prospectus for further information.

The Domini Impact Equity Fund is not a bank deposit and is not insured. The Fund is subject to market, market sector, impact investing, and foreign investing risks. Investing internationally involves special risks, such as currency fluctuations, social and economic instability, differing security regulations and accounting standards limited public information possible changes in taxation, and periods of illiquidity. You may lose money. Select the Overview tab above or see the prospectus for more information on risk.

The performance above does not reflect the deduction of fees and taxes that a shareholder would pay on Fund distributions or the redemption of Fund shares. Total return is based on the Fund’s net asset values and assumes all dividends and capital gains were reinvested.

The Standard & Poor’s 500 Index (S&P 500) is an unmanaged index of common stocks. Investors cannot invest directly in the S&P 500.

Although the Domini Impact Equity Fund Institutional shares are no-load, certain fees and expenses apply to a continued investment and are described in the prospectus. The composition of the Fund's portfolio is subject to change.

The Fund's Investor, Class A, Institutional, and Class R share ordinary operating expenses will be capped at 1.09%, 1.09%, 0.74%, and 0.80%, respectively, through November 30, 2019, absent an earlier modification by the Funds' Board.

Institutional shares were not offered prior to 11/28/08. All performance information for time periods beginning prior to November 28 is the performance of the Investor shares. This performance has not been adjusted to reflect the lower expenses of the Institutional shares.

The composition of the Fund’s portfolio is subject to change. The Domini Funds maintain portfolio holdings disclosure policies that govern the timing and circumstances of disclosure to shareholders and third parties of information regarding the portfolio investments held by the Funds.

The Global Industry Classification Standard (“GICS”) was developed by and is the exclusive property and a service mark of MSCI Inc. (“MSCI”) and Standard & Poor’s, a division of The McGraw-Hill Companies, Inc. (“S&P”) and is licensed for use by Domini Impact Investments. Neither MSCI, S&P nor any third party involved in making or compiling the GICS or any GICS classifications makes any express or implied warranties or representations with respect to such standard or classification nor shall any such party have any liability therefrom.

*The Fund's current investment strategy commenced on December 1, 2018 with SSGA Funds Management, Inc as its subadviser. 9/30/18 statistics are provided by Wellington Management as calculated by its proprietary portfolio management systems and reflects the investment strategies employed during those periods.

Definitions

The Price/Earnings Ratio is a stock’s current price divided by the company’s trailing 12-month earnings per share.

The Price/Book Ratio is used to compare a stock's market value to its book value. It is calculated by dividing the current closing price of the stock by the latest quarter's book value per share. The P/E and P/B ratio of a fund is the weighted average of the price/earnings and price/book ratios of the underlying stocks in a fund’s portfolio.

R-squared measures how a fund’s performance correlates with a benchmark index’s performance and shows what portion of it can be explained by the performance of the overall market/index. R-squared ranges from 0, meaning no correlation, to 1, meaning perfect correlation.

Beta is a measure of the volatility of a fund relative to its benchmark index. A beta greater (less) than 1 is more (less) volatile than the index.

Check the background of DSIL Investment Services LLC and its investment professionals on FINRA's BrokerCheck. Before investing, consider the Domini Funds’ investment objectives, risks, charges, and expenses. View or order a prospectus. Read it carefully.

Check the background of DSIL Investment Services LLC and its investment professionals on FINRA's BrokerCheck. Before investing, consider the Domini Funds’ investment objectives, risks, charges, and expenses. View or order a prospectus. Read it carefully.